﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System.Windows;

namespace Xceed.Silverlight.DataGrid
{
  internal class ColumnElementWrapper : WrapperBase
  {
    public ColumnElementWrapper( UIElement child )
      :base(child)
    {
    }

    public override object ReferenceItem
    {
      get
      {
        throw new DataGridInternalException();
      }
    }

    public double ColumnOffset
    {
      get
      {
        return m_offset;
      }
      set
      {
        if( m_offset != value )
        {
          m_offset = value;
        }
      }
    }

    public double ColumnWidth
    {
      get
      {
        return m_width;
      }
      set
      {
        if( m_width != value )
        {
          m_width = value;
        }
      }
    }

    internal IColumnElement ColumnElement
    {
      get
      {
        return ( IColumnElement )this.Child;
      }
    }

    internal Column Column
    {
      get
      {
        return this.ColumnElement.ParentColumnContainer.Column;
      }
    }

    protected override Size MeasureOverride( Size availableSize )
    {
      Size measureSize = base.MeasureOverride( availableSize );
      measureSize.Width = 0;
      return measureSize;
    }

    private double m_offset;
    private double m_width;
  }
}
